<template>
  <div class="wrapper">
    <swiper :options="swiperOption" v-if="showSwiper">
      <!-- slides -->
      <swiper-slide v-for="item of list" :key="item.id">
        <img class="swiper-img" :src="item.imgUrl" />
      </swiper-slide>
      <!-- Optional controls -->
      <div class="swiper-pagination"  slot="pagination"></div>
      <!-- <div class="swiper-button-prev" slot="button-prev"></div>
      <div class="swiper-button-next" slot="button-next"></div>
      <div class="swiper-scrollbar"   slot="scrollbar"></div> -->
    </swiper>
  </div>  
</template>
<script>
export default {
  name: 'HomeSwiper',
  props:{
    list: Array
  },
  data() {
    return {
      swiperOption: {
        // some swiper options/callbacks
        // 所有的参数同 swiper 官方 api 参数
        // ...
        pagination: '.swiper-pagination',
        loop: true
      }
    }
  },
  computed: {
    swiper() {
      // return this.$refs.mySwiper.swiper
    },
    showSwiper () {
      return this.list.length
    }
  },
  mounted() {
    // current swiper instance
    // 然后你就可以使用当前上下文内的swiper对象去做你想做的事了
    // console.log('this is current swiper instance object', this.swiper)
    // this.swiper.slideTo(3, 1000, false)
  }
}
</script>
<style lang="stylus" scoped>
  .wrapper >>> .swiper-pagination-bullet-active
      background: #fff
  .wrapper
    overflow: hidden
    width: 100%
    height: 0
    padding-bottom: 26%
    background: #eee    
  .swiper-img
    width: 100%
</style>
